113
Making Measurements
Performing a SONET Alarm Scan
Performing a SONET Alarm Scan
Description
This test can be performed In-Service without disturbing live traffic.
The SONET Alarm Scan tests each channel for alarm free operation and identifies
and indicates any Unequipped channels.
You can configure the Scan to check for the occurrence of any Path layer CV errors
above a chosen threshold.
The channel in which an alarm occurred is highlighted if any of the following
alarms occur:
STS SPE: LOP-P, RDI-P, AIS-P,
VT: LOP-V, AIS-V, RDI-V
TIP:
The SONET Alarm Scan display can be logged to the chosen logging device. See
"Logging on Demand " page 146.
HOW TO:
1
Set up the receive SONET interface and payload as required. See “Setting
Receive Interface” page 70.
2
Choose
on the
display.
3
Choose AUTO or RX SETTINGS.
RX SETTINGS: The scan checks the structure set on the
display.
AUTO: The scan checks the structure being received. This can be particularly
useful when receiving mixed payloads.
4
Choose the CV error threshold.
SONET ALM SCAN
RESULTS
RECEIVE
SONET
SONET_Usr.bk Page 113 Wednesday, December 13, 2000 11:11 AM
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com